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<div class="title">qwt_dial_needle.cpp</div>  </div>
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<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;qwt_dial_needle.h&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &quot;qwt_math.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;qapplication.h&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;qpainter.h&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;qpainterpath.h&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;qmath.h&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> qwtDrawStyle1Needle( QPainter* painter,</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    <span class="keyword">const</span> QPalette&amp; palette, QPalette::ColorGroup colorGroup, qreal length )</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;{</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    <span class="keyword">const</span> qreal r[] = { 0.4, 0.3, 1, 0.8, 1, 0.3, 0.4 };</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    <span class="keyword">const</span> qreal a[] = { -45, -20, -15, 0, 15, 20, 45 };</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160; </div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    QPainterPath path;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; 7; i++ )</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    {</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        <span class="keyword">const</span> qreal angle = a[i] / 180.0 * M_PI;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        <span class="keyword">const</span> qreal radius = r[i] * length;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        <span class="keyword">const</span> qreal x = radius * qFastCos( angle );</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        <span class="keyword">const</span> qreal y = radius * qFastSin( angle );</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160; </div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        path.lineTo( x, -y );</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    }</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160; </div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    painter-&gt;setPen( Qt::NoPen );</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    painter-&gt;setBrush( palette.brush( colorGroup, QPalette::Light ) );</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    painter-&gt;drawPath( path );</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;}</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160; </div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> qwtDrawStyle2Needle( QPainter* painter,</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keyword">const</span> QPalette&amp; palette, QPalette::ColorGroup colorGroup, qreal length )</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;{</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <span class="keyword">const</span> qreal ratioX = 0.7;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keyword">const</span> qreal ratioY = 0.3;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    QPainterPath path1;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    path1.lineTo( ratioX * length, 0.0 );</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    path1.lineTo( length, ratioY * length );</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    QPainterPath path2;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    path2.lineTo( ratioX * length, 0.0 );</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    path2.lineTo( length, -ratioY * length );</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    painter-&gt;setPen( Qt::NoPen );</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160; </div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    painter-&gt;setBrush( palette.brush( colorGroup, QPalette::Light ) );</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    painter-&gt;drawPath( path1 );</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    painter-&gt;setBrush( palette.brush( colorGroup, QPalette::Dark ) );</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    painter-&gt;drawPath( path2 );</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;}</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160; </div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> qwtDrawShadedPointer( QPainter* painter,</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="keyword">const</span> QColor&amp; lightColor, <span class="keyword">const</span> QColor&amp; darkColor,</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    qreal length, qreal width )</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;{</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keyword">const</span> qreal peak = qwtMaxF( length / 10.0, 5.0 );</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160; </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keyword">const</span> qreal knobWidth = width + 8;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    QRectF knobRect( 0, 0, knobWidth, knobWidth );</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    knobRect.moveCenter( QPointF(0, 0) );</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160; </div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    QPainterPath path1;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    path1.lineTo( 0.0, 0.5 * width );</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    path1.lineTo( length - peak, 0.5 * width );</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    path1.lineTo( length, 0.0 );</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    path1.lineTo( 0.0, 0.0 );</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    QPainterPath arcPath1;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    arcPath1.arcTo( knobRect, 0.0, -90.0 );</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    path1 = path1.united( arcPath1 );</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160; </div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    QPainterPath path2;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    path2.lineTo( 0.0, -0.5 * width );</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    path2.lineTo( length - peak, -0.5 * width );</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    path2.lineTo( length, 0.0 );</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    path2.lineTo( 0.0, 0.0 );</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160; </div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    QPainterPath arcPath2;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    arcPath2.arcTo( knobRect, 0.0, 90.0 );</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160; </div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    path2 = path2.united( arcPath2 );</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    painter-&gt;setPen( Qt::NoPen );</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160; </div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    painter-&gt;setBrush( lightColor );</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    painter-&gt;drawPath( path1 );</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    painter-&gt;setBrush( darkColor );</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    painter-&gt;drawPath( path2 );</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;}</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160; </div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> qwtDrawArrowNeedle( QPainter* painter,</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keyword">const</span> QPalette&amp; palette, QPalette::ColorGroup colorGroup,</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    qreal length, qreal width )</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;{</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keywordflow">if</span> ( width &lt;= 0 )</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        width = qwtMaxF( length * 0.06, 9.0 );</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    <span class="keyword">const</span> qreal peak = qwtMaxF( 2.0, 0.4 * width );</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    QPainterPath path;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    path.moveTo( 0.0, 0.5 * width );</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    path.lineTo( length - peak, 0.3 * width );</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    path.lineTo( length, 0.0 );</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    path.lineTo( length - peak, -0.3 * width );</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    path.lineTo( 0.0, -0.5 * width );</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    QRectF br = path.boundingRect();</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160; </div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    QPalette pal( palette.color( QPalette::Mid ) );</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    QColor c1 = pal.color( QPalette::Light );</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    QColor c2 = pal.color( QPalette::Dark );</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    QLinearGradient gradient( br.topLeft(), br.bottomLeft() );</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    gradient.setColorAt( 0.0, c1 );</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    gradient.setColorAt( 0.5, c1 );</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    gradient.setColorAt( 0.5001, c2 );</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    gradient.setColorAt( 1.0, c2 );</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160; </div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    QPen pen( gradient, 1 );</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    pen.setJoinStyle( Qt::MiterJoin );</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160; </div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    painter-&gt;setPen( pen );</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    painter-&gt;setBrush( palette.brush( colorGroup, QPalette::Mid ) );</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160; </div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    painter-&gt;drawPath( path );</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;}</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> qwtDrawTriangleNeedle( QPainter* painter,</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keyword">const</span> QPalette&amp; palette, QPalette::ColorGroup colorGroup, qreal length )</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;{</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="keyword">const</span> qreal width = qRound( length / 3.0 );</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160; </div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    QPainterPath path[4];</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    path[0].lineTo( length, 0.0 );</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    path[0].lineTo( 0.0, width / 2 );</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160; </div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    path[1].lineTo( length, 0.0 );</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    path[1].lineTo( 0.0, -width / 2 );</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160; </div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    path[2].lineTo( -length, 0.0 );</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    path[2].lineTo( 0.0, width / 2 );</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160; </div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    path[3].lineTo( -length, 0.0 );</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    path[3].lineTo( 0.0, -width / 2 );</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160; </div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160; </div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> colorOffset = 10;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    <span class="keyword">const</span> QColor darkColor = palette.color( colorGroup, QPalette::Dark );</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    <span class="keyword">const</span> QColor lightColor = palette.color( colorGroup, QPalette::Light );</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160; </div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    QColor color[4];</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    color[0] = darkColor.lighter( 100 + colorOffset );</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    color[1] = darkColor.darker( 100 + colorOffset );</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    color[2] = lightColor.lighter( 100 + colorOffset );</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    color[3] = lightColor.darker( 100 + colorOffset );</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160; </div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    painter-&gt;setPen( Qt::NoPen );</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160; </div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; 4; i++ )</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    {</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        painter-&gt;setBrush( color[i] );</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;        painter-&gt;drawPath( path[i] );</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    }</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;}</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160; </div>
<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="class_qwt_dial_needle.html#aef3af79632ce784bc4d7332f6e269a1f">  182</a></span>&#160;<a class="code" href="class_qwt_dial_needle.html#aef3af79632ce784bc4d7332f6e269a1f">QwtDialNeedle::QwtDialNeedle</a>()</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    : m_palette( QApplication::palette() )</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;{</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;}</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160; </div>
<div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="class_qwt_dial_needle.html#ac23b2af4af50042967c8cea87b474247">  188</a></span>&#160;<a class="code" href="class_qwt_dial_needle.html#ac23b2af4af50042967c8cea87b474247">QwtDialNeedle::~QwtDialNeedle</a>()</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;{</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;}</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160; </div>
<div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">  197</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">QwtDialNeedle::setPalette</a>( <span class="keyword">const</span> QPalette&amp; palette )</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;{</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    m_palette = <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>;</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;}</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160; </div>
<div class="line"><a name="l00205"></a><span class="lineno"><a class="line" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">  205</a></span>&#160;<span class="keyword">const</span> QPalette&amp; <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">QwtDialNeedle::palette</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    <span class="keywordflow">return</span> m_palette;</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;}</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160; </div>
<div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="class_qwt_dial_needle.html#a7a078ac5316c918e6a7e97316d48383d">  219</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_dial_needle.html#a7a078ac5316c918e6a7e97316d48383d">QwtDialNeedle::draw</a>( QPainter* painter,</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    <span class="keyword">const</span> QPointF&amp; center, <span class="keywordtype">double</span> length, <span class="keywordtype">double</span> direction,</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    QPalette::ColorGroup colorGroup )<span class="keyword"> const</span></div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    painter-&gt;save();</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160; </div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    painter-&gt;translate( center );</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    painter-&gt;rotate( -direction );</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160; </div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#a1e4fee366fec1838edc18890d9957f2b">drawNeedle</a>( painter, length, colorGroup );</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160; </div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    painter-&gt;restore();</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;}</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160; </div>
<div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="class_qwt_dial_needle.html#a769a895b3fefd851b44021ca118f2422">  234</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_dial_needle.html#a769a895b3fefd851b44021ca118f2422">QwtDialNeedle::drawKnob</a>( QPainter* painter,</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    <span class="keywordtype">double</span> width, <span class="keyword">const</span> QBrush&amp; brush, <span class="keywordtype">bool</span> sunken )<span class="keyword"> const</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    QPalette <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>( brush.color() );</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160; </div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    QColor c1 = <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>.color( QPalette::Light );</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    QColor c2 = <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>.color( QPalette::Dark );</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160; </div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="keywordflow">if</span> ( sunken )</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;        qSwap( c1, c2 );</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160; </div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    QRectF rect( 0.0, 0.0, width, width );</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    rect.moveCenter( painter-&gt;combinedTransform().map( QPointF() ) );</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160; </div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    QLinearGradient gradient( rect.topLeft(), rect.bottomRight() );</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    gradient.setColorAt( 0.0, c1 );</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    gradient.setColorAt( 0.3, c1 );</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    gradient.setColorAt( 0.7, c2 );</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    gradient.setColorAt( 1.0, c2 );</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160; </div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    painter-&gt;save();</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160; </div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    painter-&gt;resetTransform();</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160; </div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    painter-&gt;setPen( QPen( gradient, 1 ) );</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    painter-&gt;setBrush( brush );</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;    painter-&gt;drawEllipse( rect );</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160; </div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    painter-&gt;restore();</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;}</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160; </div>
<div class="line"><a name="l00273"></a><span class="lineno"><a class="line" href="class_qwt_dial_simple_needle.html#a5f16b9298ecd293360a3ccf91d3dbfbb">  273</a></span>&#160;<a class="code" href="class_qwt_dial_simple_needle.html#a5f16b9298ecd293360a3ccf91d3dbfbb">QwtDialSimpleNeedle::QwtDialSimpleNeedle</a>( <a class="code" href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584">Style</a> style, <span class="keywordtype">bool</span> hasKnob,</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;    <span class="keyword">const</span> QColor&amp; mid, <span class="keyword">const</span> QColor&amp; base ):</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    m_style( style ),</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    m_hasKnob( hasKnob ),</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    m_width( -1 )</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;{</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    QPalette <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>;</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>.setColor( QPalette::Mid, mid );</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>.setColor( QPalette::Base, base );</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160; </div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">setPalette</a>( <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a> );</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;}</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160; </div>
<div class="line"><a name="l00291"></a><span class="lineno"><a class="line" href="class_qwt_dial_simple_needle.html#ad7672543371e38c864e44d9240271c22">  291</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_dial_simple_needle.html#ad7672543371e38c864e44d9240271c22">QwtDialSimpleNeedle::setWidth</a>( <span class="keywordtype">double</span> width )</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;{</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    m_width = <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">width</a>;</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;}</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno"><a class="line" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">  300</a></span>&#160;<span class="keywordtype">double</span> <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">QwtDialSimpleNeedle::width</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;    <span class="keywordflow">return</span> m_width;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;}</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="class_qwt_dial_simple_needle.html#a3c7765638bd3aa59d22f0ff55175a40f">  312</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_dial_simple_needle.html#a3c7765638bd3aa59d22f0ff55175a40f">QwtDialSimpleNeedle::drawNeedle</a>( QPainter* painter,</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    <span class="keywordtype">double</span> length, QPalette::ColorGroup colorGroup )<span class="keyword"> const</span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    qreal knobWidth = 0.0;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    qreal <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">width</a> = m_width;</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160; </div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    <span class="keywordflow">if</span> ( m_style == <a class="code" href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584a27ace220f0a5c6abd061c85bbdc9a663">Arrow</a> )</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    {</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;        <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">width</a> &lt;= 0.0 )</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;            <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">width</a> = qwtMaxF( length * 0.06, 6.0 );</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160; </div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;        qwtDrawArrowNeedle( painter,</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;            <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>(), colorGroup, length, <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">width</a> );</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160; </div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;        knobWidth = qwtMinF( <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">width</a> * 2.0, 0.2 * length );</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    }</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    {</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;        <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">width</a> &lt;= 0.0 )</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;            <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">width</a> = 5.0;</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160; </div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;        QPen pen ( <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>().brush( colorGroup, QPalette::Mid ), <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">width</a> );</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;        pen.setCapStyle( Qt::FlatCap );</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160; </div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;        painter-&gt;setPen( pen );</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;        painter-&gt;drawLine( QPointF( 0.0, 0.0 ), QPointF( length, 0.0 ) );</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160; </div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;        knobWidth = qwtMaxF( <a class="code" href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">width</a> * 3.0, 5.0 );</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    }</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160; </div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;    <span class="keywordflow">if</span> ( m_hasKnob &amp;&amp; knobWidth &gt; 0.0 )</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;    {</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;        <a class="code" href="class_qwt_dial_needle.html#a769a895b3fefd851b44021ca118f2422">drawKnob</a>( painter, knobWidth,</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;            <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>().brush( colorGroup, QPalette::Base ), <span class="keyword">false</span> );</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;    }</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;}</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160; </div>
<div class="line"><a name="l00350"></a><span class="lineno"><a class="line" href="class_qwt_compass_magnet_needle.html#a3422e6490d44c527289bafdcceecd741">  350</a></span>&#160;<a class="code" href="class_qwt_compass_magnet_needle.html#a3422e6490d44c527289bafdcceecd741">QwtCompassMagnetNeedle::QwtCompassMagnetNeedle</a>( <a class="code" href="class_qwt_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5">Style</a> style,</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;    <span class="keyword">const</span> QColor&amp; light, <span class="keyword">const</span> QColor&amp; dark ):</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;    m_style( style )</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;{</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;    QPalette <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>;</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>.setColor( QPalette::Light, light );</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>.setColor( QPalette::Dark, dark );</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>.setColor( QPalette::Base, Qt::gray );</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160; </div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">setPalette</a>( <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a> );</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;}</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160; </div>
<div class="line"><a name="l00369"></a><span class="lineno"><a class="line" href="class_qwt_compass_magnet_needle.html#adacecbe214d549c401d8213ba5ea206c">  369</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_compass_magnet_needle.html#adacecbe214d549c401d8213ba5ea206c">QwtCompassMagnetNeedle::drawNeedle</a>( QPainter* painter,</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    <span class="keywordtype">double</span> length, QPalette::ColorGroup colorGroup )<span class="keyword"> const</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;    <span class="keywordflow">if</span> ( m_style == <a class="code" href="class_qwt_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5ab63a2dd26ef14c2aaf9763bc24a8bdac">ThinStyle</a> )</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;    {</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;        <span class="keyword">const</span> qreal width = qwtMaxF( length / 6.0, 3.0 );</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160; </div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">int</span> colorOffset = 10;</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160; </div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;        <span class="keyword">const</span> QColor light = <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>().color( colorGroup, QPalette::Light );</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        <span class="keyword">const</span> QColor dark = <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>().color( colorGroup, QPalette::Dark );</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160; </div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;        qwtDrawShadedPointer( painter,</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;            dark.lighter( 100 + colorOffset ),</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;            dark.darker( 100 + colorOffset ),</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;            length, width );</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160; </div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;        painter-&gt;rotate( 180.0 );</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160; </div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;        qwtDrawShadedPointer( painter,</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;            light.lighter( 100 + colorOffset ),</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;            light.darker( 100 + colorOffset ),</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;            length, width );</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160; </div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;        <span class="keyword">const</span> QBrush baseBrush = <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>().brush( colorGroup, QPalette::Base );</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;        <a class="code" href="class_qwt_dial_needle.html#a769a895b3fefd851b44021ca118f2422">drawKnob</a>( painter, width, baseBrush, <span class="keyword">true</span> );</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;    }</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    {</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;        qwtDrawTriangleNeedle( painter, <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>(), colorGroup, length );</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;    }</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;}</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160; </div>
<div class="line"><a name="l00409"></a><span class="lineno"><a class="line" href="class_qwt_compass_wind_arrow.html#a1b5931f43dd7e72fc5a3e2c9b509769d">  409</a></span>&#160;<a class="code" href="class_qwt_compass_wind_arrow.html#a1b5931f43dd7e72fc5a3e2c9b509769d">QwtCompassWindArrow::QwtCompassWindArrow</a>( <a class="code" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8">Style</a> style,</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;    <span class="keyword">const</span> QColor&amp; light, <span class="keyword">const</span> QColor&amp; dark ):</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;    m_style( style )</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;{</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;    QPalette <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>;</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>.setColor( QPalette::Light, light );</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>.setColor( QPalette::Dark, dark );</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160; </div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;    <a class="code" href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">setPalette</a>( <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a> );</div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;}</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160; </div>
<div class="line"><a name="l00427"></a><span class="lineno"><a class="line" href="class_qwt_compass_wind_arrow.html#a6610a137458b1286185fdd6470e69d37">  427</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_compass_wind_arrow.html#a6610a137458b1286185fdd6470e69d37">QwtCompassWindArrow::drawNeedle</a>( QPainter* painter,</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;    <span class="keywordtype">double</span> length, QPalette::ColorGroup colorGroup )<span class="keyword"> const</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;    <span class="keywordflow">if</span> ( m_style == <a class="code" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8a62b689f03b4e974660ce1241942b09fc">Style1</a> )</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;        qwtDrawStyle1Needle( painter, <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>(), colorGroup, length );</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;        qwtDrawStyle2Needle( painter, <a class="code" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a>(), colorGroup, length );</div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;}</div>
<div class="ttc" id="aclass_qwt_compass_magnet_needle_html_a3422e6490d44c527289bafdcceecd741"><div class="ttname"><a href="class_qwt_compass_magnet_needle.html#a3422e6490d44c527289bafdcceecd741">QwtCompassMagnetNeedle::QwtCompassMagnetNeedle</a></div><div class="ttdeci">QwtCompassMagnetNeedle(Style=TriangleStyle, const QColor &amp;light=Qt::white, const QColor &amp;dark=Qt::red)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00350">qwt_dial_needle.cpp:350</a></div></div>
<div class="ttc" id="aclass_qwt_compass_magnet_needle_html_adacecbe214d549c401d8213ba5ea206c"><div class="ttname"><a href="class_qwt_compass_magnet_needle.html#adacecbe214d549c401d8213ba5ea206c">QwtCompassMagnetNeedle::drawNeedle</a></div><div class="ttdeci">virtual void drawNeedle(QPainter *, double length, QPalette::ColorGroup) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00369">qwt_dial_needle.cpp:369</a></div></div>
<div class="ttc" id="aclass_qwt_compass_magnet_needle_html_aee1d882c6ec8b680b94b59b5710a92a5"><div class="ttname"><a href="class_qwt_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5">QwtCompassMagnetNeedle::Style</a></div><div class="ttdeci">Style</div><div class="ttdoc">Style of the needle.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00131">qwt_dial_needle.h:132</a></div></div>
<div class="ttc" id="aclass_qwt_compass_magnet_needle_html_aee1d882c6ec8b680b94b59b5710a92a5ab63a2dd26ef14c2aaf9763bc24a8bdac"><div class="ttname"><a href="class_qwt_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5ab63a2dd26ef14c2aaf9763bc24a8bdac">QwtCompassMagnetNeedle::ThinStyle</a></div><div class="ttdeci">@ ThinStyle</div><div class="ttdoc">A thin needle.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00138">qwt_dial_needle.h:137</a></div></div>
<div class="ttc" id="aclass_qwt_compass_wind_arrow_html_a1b5931f43dd7e72fc5a3e2c9b509769d"><div class="ttname"><a href="class_qwt_compass_wind_arrow.html#a1b5931f43dd7e72fc5a3e2c9b509769d">QwtCompassWindArrow::QwtCompassWindArrow</a></div><div class="ttdeci">QwtCompassWindArrow(Style, const QColor &amp;light=Qt::white, const QColor &amp;dark=Qt::gray)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00409">qwt_dial_needle.cpp:409</a></div></div>
<div class="ttc" id="aclass_qwt_compass_wind_arrow_html_a55f11e28c9d87c0fb7c306ccd174f2a8"><div class="ttname"><a href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8">QwtCompassWindArrow::Style</a></div><div class="ttdeci">Style</div><div class="ttdoc">Style of the arrow.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00168">qwt_dial_needle.h:169</a></div></div>
<div class="ttc" id="aclass_qwt_compass_wind_arrow_html_a55f11e28c9d87c0fb7c306ccd174f2a8a62b689f03b4e974660ce1241942b09fc"><div class="ttname"><a href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8a62b689f03b4e974660ce1241942b09fc">QwtCompassWindArrow::Style1</a></div><div class="ttdeci">@ Style1</div><div class="ttdoc">A needle pointing to the center.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00171">qwt_dial_needle.h:171</a></div></div>
<div class="ttc" id="aclass_qwt_compass_wind_arrow_html_a6610a137458b1286185fdd6470e69d37"><div class="ttname"><a href="class_qwt_compass_wind_arrow.html#a6610a137458b1286185fdd6470e69d37">QwtCompassWindArrow::drawNeedle</a></div><div class="ttdeci">virtual void drawNeedle(QPainter *, double length, QPalette::ColorGroup) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00427">qwt_dial_needle.cpp:427</a></div></div>
<div class="ttc" id="aclass_qwt_dial_needle_html_a1e4fee366fec1838edc18890d9957f2b"><div class="ttname"><a href="class_qwt_dial_needle.html#a1e4fee366fec1838edc18890d9957f2b">QwtDialNeedle::drawNeedle</a></div><div class="ttdeci">virtual void drawNeedle(QPainter *painter, double length, QPalette::ColorGroup colorGroup) const =0</div><div class="ttdoc">Draw the needle.</div></div>
<div class="ttc" id="aclass_qwt_dial_needle_html_a769a895b3fefd851b44021ca118f2422"><div class="ttname"><a href="class_qwt_dial_needle.html#a769a895b3fefd851b44021ca118f2422">QwtDialNeedle::drawKnob</a></div><div class="ttdeci">virtual void drawKnob(QPainter *, double width, const QBrush &amp;, bool sunken) const</div><div class="ttdoc">Draw the knob.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00234">qwt_dial_needle.cpp:234</a></div></div>
<div class="ttc" id="aclass_qwt_dial_needle_html_a7a078ac5316c918e6a7e97316d48383d"><div class="ttname"><a href="class_qwt_dial_needle.html#a7a078ac5316c918e6a7e97316d48383d">QwtDialNeedle::draw</a></div><div class="ttdeci">virtual void draw(QPainter *, const QPointF &amp;center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00219">qwt_dial_needle.cpp:219</a></div></div>
<div class="ttc" id="aclass_qwt_dial_needle_html_ac23b2af4af50042967c8cea87b474247"><div class="ttname"><a href="class_qwt_dial_needle.html#ac23b2af4af50042967c8cea87b474247">QwtDialNeedle::~QwtDialNeedle</a></div><div class="ttdeci">virtual ~QwtDialNeedle()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00188">qwt_dial_needle.cpp:188</a></div></div>
<div class="ttc" id="aclass_qwt_dial_needle_html_ad4c32d58f2b8e77fd66e0dfc66b7c37a"><div class="ttname"><a href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">QwtDialNeedle::palette</a></div><div class="ttdeci">const QPalette &amp; palette() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00205">qwt_dial_needle.cpp:205</a></div></div>
<div class="ttc" id="aclass_qwt_dial_needle_html_ae850883a64501136bca64d6ea2d084b9"><div class="ttname"><a href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">QwtDialNeedle::setPalette</a></div><div class="ttdeci">virtual void setPalette(const QPalette &amp;)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00197">qwt_dial_needle.cpp:197</a></div></div>
<div class="ttc" id="aclass_qwt_dial_needle_html_aef3af79632ce784bc4d7332f6e269a1f"><div class="ttname"><a href="class_qwt_dial_needle.html#aef3af79632ce784bc4d7332f6e269a1f">QwtDialNeedle::QwtDialNeedle</a></div><div class="ttdeci">QwtDialNeedle()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00182">qwt_dial_needle.cpp:182</a></div></div>
<div class="ttc" id="aclass_qwt_dial_simple_needle_html_a3c7765638bd3aa59d22f0ff55175a40f"><div class="ttname"><a href="class_qwt_dial_simple_needle.html#a3c7765638bd3aa59d22f0ff55175a40f">QwtDialSimpleNeedle::drawNeedle</a></div><div class="ttdeci">virtual void drawNeedle(QPainter *, double length, QPalette::ColorGroup) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00312">qwt_dial_needle.cpp:312</a></div></div>
<div class="ttc" id="aclass_qwt_dial_simple_needle_html_a5f16b9298ecd293360a3ccf91d3dbfbb"><div class="ttname"><a href="class_qwt_dial_simple_needle.html#a5f16b9298ecd293360a3ccf91d3dbfbb">QwtDialSimpleNeedle::QwtDialSimpleNeedle</a></div><div class="ttdeci">QwtDialSimpleNeedle(Style, bool hasKnob=true, const QColor &amp;mid=Qt::gray, const QColor &amp;base=Qt::darkGray)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00273">qwt_dial_needle.cpp:273</a></div></div>
<div class="ttc" id="aclass_qwt_dial_simple_needle_html_a932eb587ddb1b091ecb6ced52b4bdbc5"><div class="ttname"><a href="class_qwt_dial_simple_needle.html#a932eb587ddb1b091ecb6ced52b4bdbc5">QwtDialSimpleNeedle::width</a></div><div class="ttdeci">double width() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00300">qwt_dial_needle.cpp:300</a></div></div>
<div class="ttc" id="aclass_qwt_dial_simple_needle_html_ad28821489e04f1fd942e5bebc8a60584"><div class="ttname"><a href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584">QwtDialSimpleNeedle::Style</a></div><div class="ttdeci">Style</div><div class="ttdoc">Style of the needle.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00085">qwt_dial_needle.h:86</a></div></div>
<div class="ttc" id="aclass_qwt_dial_simple_needle_html_ad28821489e04f1fd942e5bebc8a60584a27ace220f0a5c6abd061c85bbdc9a663"><div class="ttname"><a href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584a27ace220f0a5c6abd061c85bbdc9a663">QwtDialSimpleNeedle::Arrow</a></div><div class="ttdeci">@ Arrow</div><div class="ttdoc">Arrow.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00088">qwt_dial_needle.h:88</a></div></div>
<div class="ttc" id="aclass_qwt_dial_simple_needle_html_ad7672543371e38c864e44d9240271c22"><div class="ttname"><a href="class_qwt_dial_simple_needle.html#ad7672543371e38c864e44d9240271c22">QwtDialSimpleNeedle::setWidth</a></div><div class="ttdeci">void setWidth(double width)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8cpp_source.html#l00291">qwt_dial_needle.cpp:291</a></div></div>
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